Help me find a 2d mario platfromer game i can do co-op over internet

[Superbro11]

So i looking for a game where i can do 2 player co-op over internet and it's either mario related or a mario-like game.
I have a hard time finding one but it would be nice if any of you guys knew where i can find one.

EDIT:
Currently known:
NSMB Wii Via Dolphin's Netplay
SMB X (Level Editor: multiplayer mario marker and play-test levels with multiple people!

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[Trogtor]

new super mario bros on dolphin emulator

[Superbro11]

new super mario bros on dolphin emulator

great idea, also is there any other alternatives if i have friends that have toasters as their pc?
Tho ill try this with some of my friends

[HaneZane001]

Super Mario Bros X has online co-op
https://www.youtube.com/watch?v=9HB_QlOd0gQ

[Superstarxalien169]

http://badspot.us/Mario-Land-Fun.html ?

[Superbro11]

Super Mario Bros X has online co-op
https://www.youtube.com/watch?v=9HB_QlOd0gQ

i thought it was couch/local only. I'm happy i'm wrong!
thanks for letting me know

http://badspot.us/Mario-Land-Fun.html ?

Couch co-op tho, meaning its local only.

[beachbum111111]

forget you got me

[Superbro11]

forget you got me

???????????????

[beachbum111111]

I legit cannot think of any platformers with online coop